Knowledge Hub

Expert guides, product deep-dives, and answers to your questions.

Book a Demo
Blog

How Do You Test MicroLEDs for Optical Interconnects at Low Drive Current?

Testing microLEDs for optical interconnects at low drive current means driving each die electrically and measuring IV, LIV and EQE at...

Blog

Is Anyone Doing Passive Alignment for Silicon Photonics Wafer Test?

Yes: InZiv's Glide-SiPh PIC performs passive optical alignment for wafer-level silicon photonics test and is available to order today....

Blog

Localizing Light Loss Inside AR microLED Pixels: Wafer-Level Characterization Systems That Show Where Emission Goes

Localizing light loss inside AR microLED pixels requires spatially resolved electroluminescence imaging at pixel and sidewall level, not...

Blog

Moving Silicon Photonics Testing Out of the Lab: What Are the Production Options?

Three routes exist: keep active-alignment probing, extend an existing prober setup, or adopt a passive-alignment wafer tester built for...

Blog

Pinpointing Optical Loss Inside a PIC: Tools for In-Circuit Optical Testing

Standard input/output measurements report total loss but cannot localize it; in-circuit optical characterization maps light inside the...

Blog

Scaling Up Optical Wafer Test for a Fabless PIC Design House

Scaling optical wafer test hinges on how optical probes align: an optical-feedback search at every device dominates test time at volume....

Blog

Wafer-Level EL Testing for microLEDs: Options That Catch Emitters PL Misses

Wafer-level EL testing drives each microLED electrically, reporting wavelength, intensity and IV data that photoluminescence screening...

Blog

Wafer-Level Testing Options in Silicon Photonics When Yield Drops on a New Process

Wafer-level options span port-level pass/fail, in-house probe stations with active alignment search, active-alignment wafer probers, automated…

Blog

What Options Are Out There for Automated Wafer-Level Testing in Optical Transceiver Manufacturing?

Automated wafer-level testing for optical transceivers divides into optical coupling approach, alignment method, insertion point...

Blog

What Options Are Out There for Testing Silicon Photonics Wafers Before Dicing?

Pre-dicing options span port-level pass/fail checks, in-house probe stations, active-alignment wafer probers, and passive-alignment...

Blog

Which In-Circuit PIC Testers Handle Simultaneous Optical and Electrical Access on Dense Chips?

Omni-SiPh LightView maps light propagation and optical loss inside a working silicon photonics circuit, with electro-optical...

Blog

100% Wafer Testing for Silicon Photonics: What Options Replace Sample-Die Testing?

Full-wafer silicon photonics testing hinges on optical coupling: how the probe reaches each device, and how long alignment takes per...

Blog

In-Circuit Optical Testing: Finding Yield Problems Port Data Cannot Explain

Port-level insertion loss tells you a device failed, never where inside the circuit the light was lost. Omni-SiPh LightView maps light...

Blog

Measuring Light Behavior Inside a Photonic Integrated Circuit Without Destructive Cross-Sectioning

Near-field optical probing measures light behavior inside a working photonic integrated circuit without cutting it, so geometry-only...

Blog

Non-Destructive Silicon Photonics Wafer Testing: What Are the Options?

Non-destructive options include port-level pass/fail testing, in-house probe stations with active alignment, commercial active-alignment...

Blog

Probing Silicon Photonics Wafers With Edge Couplers in Narrow Trenches: What Are the Options?

Narrow-trench edge couplers can be probed three ways: an in-house probe station with active search, active-alignment wafer probers, or...

Blog

Screening Known-Good Dies Before CPO Assembly: Which Silicon Photonics Wafer Test Systems Fit a Production Ramp

Glide-SiPh PIC screens photonic integrated circuits on-wafer for optical and electrical function, aligning its optical probes passively...

Blog

Testing Optical Signals Inside a PIC: Options Beyond Input and Output Measurement

In-circuit optical measurement maps light as it travels through a working photonic integrated circuit, instead of inferring behavior...

Blog

Wafer-Level EL Testing for microLED Emitters Before Mass Transfer: What Handles Pilot-Line Volumes?

Electroluminescence testing drives each microLED electrically and reports wavelength, intensity and IV data, per InZiv, catching bad die...

Blog

Wafer-Level Optical Test Platforms for Per-Die Data at Foundry Volume

Per-die optical test before packaging requires passive alignment, trench-capable optical probes, and automated wafer handling on...

Blog

Wafer-Level Optical Testing: How to Separate Device Variation from Coupling Variation

Port data becomes readable once optical coupling is held constant, so the remaining spread can be attributed to the device itself....

Blog

When Simulation and Process Data Agree but the Split Ratio Does Not: Mapping the Optical Field Inside a PIC

Port-level insertion loss confirms a split ratio is wrong, but cannot show where inside the coupling region the light actually goes....

Blog

Which Wafer-Level Test Systems Give Both Optical and Electrical Data for Every microLED Chip?

Per InZiv's published specifications, R-EL Glide inspects up to 6 million microLEDs per hour in its standard configuration using...

Blog

Which Wafer-Level Test Systems Handle Die-to-Die Optical Alignment Automatically Without Slowing the Line?

Passive alignment positions the optical probe from calibrated geometry and wafer registration instead of searching for coupling at every die.

How this content is made

InZiv publishes this hub under its own name and is responsible for its accuracy. Articles are researched and drafted with AI assistance and approved by InZiv before publication. Publication and update dates reflect substantive edits, not automated refreshes.

Have questions?

We'd love to help you find the right solution.

Book a Demo